title: The deficit syndrome in schizophrenia: implications for the treatment of negative symptoms.
mesh_terms: D000339:Affect; D003072:Cognition Disorders / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D019964:Mood Disorders / Q000209:etiology* / Q000628:therapy*; D009483:Neuropsychological Tests; D012559:Schizophrenia / Q000150:complications*